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SubjectRe: [PATCH] mm/vmscan: remove prefetch_prev_lru_page
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On 1/15/20 3:31 AM, Alex Shi wrote:
> 在 2020/1/14 下午9:46, Qian Cai 写道:
>>> On Jan 14, 2020, at 7:55 AM, Alex Shi <alex.shi@linux.alibaba.com> wrote:
>>>
>>> This macro are never used in git history. So better to remove.
>> When removing unused thingy, it is important to figure out which commit introduced it in the first place and Cc the relevant people in that commit.
>>
> Thanks fore reminder, Qian!
>
> This macro was introduced in 1da177e4c3f4 Linux-2.6.12-rc2, no author or commiter could be found.

FYI, seems it was introduced in commit 3aa1dc7725 [PATCH] multithread
page reclaim in history tree.

Thanks,
Guoqing

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